Measuring and testing – Specific gravity or density of liquid or solid – With weighing feature
Patent
1985-08-09
1986-12-23
Kreitman, Stephen A.
Measuring and testing
Specific gravity or density of liquid or solid
With weighing feature
73450, G01G 502
Patent
active
046304819
ABSTRACT:
Method and apparatus to estimate the weight of the trees and logs in a stand of trees before harvesting to maximize the efficiency of aerial logging are disclosed. A hydrometer that has a chamber which accepts a small known volume core from the tree determines the density thereof. Statistical modeling permits weight estimations for the entire stand based on this density and other conventional information about the stand of trees.
REFERENCES:
patent: 171670 (1876-01-01), King
patent: 748838 (1904-01-01), Broestler
patent: 2006549 (1935-07-01), Hartley
Schmidt, Ron E., A Method for Determining the Moisture Content and Specific Gravity of Wood Chips in a Pressurized Water System, Apr. 1968.
Bergstrom Gary C.
Lambert Michael B.
Kreitman Stephen A.
McConnell David G.
Oldham Scott M.
Silverstein M. Howard
The United States of America as represented by the Secretary of
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